Huang SHAOTING

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Huizhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surround structure of speaker
- Patent number 10,616,671
- Issue date Apr 7, 2020
- TYMPHANY ACOUSTIC TECNHOLOGY (HUIZHOU) CO., LTD.
- Jorge Alejandro López Castillo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surround for loudspeaker
- Patent number D875084
- Issue date Feb 11, 2020
- Tymphany Hong Kong Limited
- Jorge Alejandro Lopez Castillo
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
SURROUND STRUCTURE OF SPEAKER
- Publication number 20190149901
- Publication date May 16, 2019
- Premium Loudspeakers (Hui Zhou) Co., Ltd.
- Jorge Alejandro López CASTILLO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE